A liberal coalition that supports Obamacare is targeting three Republican senators on the airwaves, urging them to vote against the GOP tax bill after they bucked their party’s Senate vote to repeal Obamacare over the summer.

Sen. John McCain (R., Ariz.) called on Alabama Republican Senate candidate Roy Moore to “immediately step aside” on Thursday in the wake of a report that he initiated a sexual encounter with a 14-year-old when he was a 32-year-old assistant district attorney.

On the 50th anniversary of his plane being shot down in Vietnam, Sen. John McCain (R., Ariz.) on Thursday tweeted out a short video recounting his experience as a prisoner of war and commemorating his service to the United States.